Work of Aeronautics Branch of Department of Commerce is reviewed; work of Air Regulation Division; inspection of aircraft and examinations and licensing of pilots and mechanics; routes being mapped; status of industry reviewed.
A third anniversary of service work of aeronautics branch reviewed
US Aviation Quarterly
1929
Article (Journal)
English
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Aeronautics branch drafts regulations for air schools
Engineering Index Backfile | 1929
The work of the aeronautics branch of the U. S. department of commerce
Engineering Index Backfile | 1928
Aeronautics as a branch of the engineering profession
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Engineering Index Backfile | 1950
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